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Finding the Fourth Proportional to 667,229.54, 1,000,423.78 and 566,062.90

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Solution

The fourth proportional to 667,229.54, 1,000,423.78 and 566,062.90 is: 848,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,229.54 : 1,000,423.78 = 566,062.90 : x
  2. Step 2: Convert to fraction form
    667,229.54/1,000,423.78 = 566,062.90/x
  3. Step 3: Cross multiply
    667,229.54x = 1,000,423.78 × 566,062.90
  4. Step 4: Simplify right side
    667,229.54x = 566,302,782,219.55
  5. Step 5: Solve for x
    x = 566,302,782,219.55/667,229.54
  6. Step 6: Final answer
    x = 848,737.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.